static struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathname, int len)
 {
-       if (cache_name_exists(pathname, len, ignore_case))
+       if (cache_file_exists(pathname, len, ignore_case))
                return NULL;
 
        ALLOC_GROW(dir->entries, dir->nr+1, dir->alloc);
 /*
  * Do not use the alphabetically sorted index to look up
  * the directory name; instead, use the case insensitive
- * name hash.
+ * directory hash.
  */
 static enum exist_status directory_exists_in_index_icase(const char *dirname, int len)
 {
-       const struct cache_entry *ce = cache_name_exists(dirname, len + 1, ignore_case);
+       const struct cache_entry *ce = cache_dir_exists(dirname, len);
        unsigned char endchar;
 
        if (!ce)
        int pos;
        const struct cache_entry *ce;
 
-       ce = cache_name_exists(path, len, 0);
+       ce = cache_file_exists(path, len, 0);
        if (ce) {
                if (!ce_uptodate(ce))
                        return DT_UNKNOWN;
                                          int dtype, struct dirent *de)
 {
        int exclude;
-       int has_path_in_index = !!cache_name_exists(path->buf, path->len, ignore_case);
+       int has_path_in_index = !!cache_file_exists(path->buf, path->len, ignore_case);
 
        if (dtype == DT_UNKNOWN)
                dtype = get_dtype(de, path->buf, path->len);
         */
        if ((dir->flags & DIR_COLLECT_KILLED_ONLY) &&
            (dtype == DT_DIR) &&
-           !has_path_in_index) {
-               /*
-                * NEEDSWORK: directory_exists_in_index_icase()
-                * assumes that one byte past the given path is
-                * readable and has '/', which needs to be fixed, but
-                * until then, work it around in the caller.
-                */
-               strbuf_addch(path, '/');
-               if (directory_exists_in_index(path->buf, path->len - 1) ==
-                   index_nonexistent) {
-                       strbuf_setlen(path, path->len - 1);
-                       return path_none;
-               }
-               strbuf_setlen(path, path->len - 1);
-       }
+           !has_path_in_index &&
+           (directory_exists_in_index(path->buf, path->len) == index_nonexistent))
+               return path_none;
 
        exclude = is_excluded(dir, path->buf, &dtype);